diff --git a/rtengine/color.cc b/rtengine/color.cc
index 32cbdde47..a07285ec5 100644
--- a/rtengine/color.cc
+++ b/rtengine/color.cc
@@ -857,7 +857,7 @@ namespace rtengine {
         C9=8.0f;C8=15.0f;C7=12.0f;C4=7.0f;C3=5.0f;C2=5.0f;C1=5.0f;
 
 		if (ciec) {
-		float HH;
+		float HH = 0.f;
 		bool doskin;
 		if     ((float)hue>8.6f  && (float)hue<=74.f ) {HH=(1.15f/65.4f)*(float)hue-0.0012f;  doskin=true;}//H > 0.15   H<1.3
 		else if((float)hue>0.f   && (float)hue<=8.6f ) {HH=(0.19f/8.6f )*(float)hue-0.04f;    doskin=true;}//H>-0.04 H < 0.15
diff --git a/rtengine/color.h b/rtengine/color.h
index 8a725da6b..0f3215bc9 100644
--- a/rtengine/color.h
+++ b/rtengine/color.h
@@ -243,7 +243,7 @@ public:
 	static inline double huelab_to_huehsv2 (float HH){
 					//hr=translate Hue Lab value  (-Pi +Pi) in approximative hr (hsv values) (0 1) [red 1/6 yellow 1/6 green 1/6 cyan 1/6 blue 1/6 magenta 1/6 ]
 				// with multi linear correspondances (I expect there is no error !!)
-				double hr;
+				double hr = 0.0;
 				//allways put h between 0 and 1
 
 				if      (HH>=0.f && HH < 0.6f) 	 hr=0.11666*(double) HH + 0.93;  //hr 0.93 1. full red
diff --git a/rtengine/improccoordinator.cc b/rtengine/improccoordinator.cc
index ccb948f48..d3e4b148d 100644
--- a/rtengine/improccoordinator.cc
+++ b/rtengine/improccoordinator.cc
@@ -82,7 +82,7 @@ ImProcCoordinator::ImProcCoordinator ()
       pW(-1), pH(-1),
       plistener(NULL), imageListener(NULL), aeListener(NULL), hListener(NULL),acListener(NULL), abwListener(NULL),
       resultValid(false), changeSinceLast(0), updaterRunning(false), destroying(false),utili(false),autili(false),
-	  butili(false),ccutili(false),cclutili(false),clcutili(false)
+	  butili(false),ccutili(false),cclutili(false),clcutili(false),fullw(1),fullh(1)
 
     {}
 
diff --git a/rtgui/cropwindow.cc b/rtgui/cropwindow.cc
index b4f3695f8..f5c26dc49 100755
--- a/rtgui/cropwindow.cc
+++ b/rtgui/cropwindow.cc
@@ -67,7 +67,7 @@ CropWindow::CropWindow (ImageArea* parent, rtengine::StagedImageProcessor* ipc_,
     backColor(options.bgcolor), decorated(true), titleHeight(30),
     sideBorderWidth(3), lowerBorderWidth(3), upperBorderWidth(1), sepWidth(2),
     xpos(30), ypos(30), imgX(0), imgY(0), imgW(1), imgH(1), iarea(parent),
-    cropZoom(0), cropgl(NULL), pmlistener(NULL), observedCropWin(NULL) {
+    cropZoom(0), cropgl(NULL), pmlistener(NULL), observedCropWin(NULL), isFlawnOver(false) {
 
     Glib::RefPtr<Pango::Context> context = parent->get_pango_context () ;
     Pango::FontDescription fontd = context->get_font_description ();       
diff --git a/rtgui/resize.cc b/rtgui/resize.cc
index 6819b6ebf..b56ee7400 100644
--- a/rtgui/resize.cc
+++ b/rtgui/resize.cc
@@ -23,7 +23,7 @@
 using namespace rtengine;
 using namespace rtengine::procparams;
 
-Resize::Resize () : Gtk::VBox(), FoldableToolPanel(this), maxw(100000), maxh(100000) {
+Resize::Resize () : Gtk::VBox(), FoldableToolPanel(this), maxw(100000), maxh(100000), lastEnabled(false) {
 
 	set_border_width(4);